Convert iPhone Ringtone (.m4r) to MPEG-4 Audio (.m4a) online for free. Fast, secure audio conversion with no watermarks or registration.
Upload your .m4a file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .m4a file when it's ready.
M4R and M4A are structurally identical — both are MPEG-4 containers holding AAC audio. The only difference is the file extension: .m4r tells iOS the file is a ringtone, while .m4a tells it the file is music. Converting M4R to M4A is the simplest possible audio conversion, often achievable by just renaming the file extension. However, a proper conversion ensures clean container metadata, removes ringtone-specific flags, and standardizes the encoding parameters.
This conversion is incredibly common among users who created custom ringtones from songs or recordings and later want to use those clips as regular audio files. Once converted to M4A, the audio appears in Apple Music, syncs via iCloud, plays through CarPlay and AirPlay, and behaves like any other music file in the Apple ecosystem.
Apple deliberately segregates ringtones from music. M4R files appear only in the Tones section of iTunes/Finder, cannot be added to playlists, do not sync via iCloud Music Library, and are not searchable in Spotlight. Converting to M4A unlocks all the standard music features — library management, playlist inclusion, smart playlists, AirPlay streaming, CarPlay playback, and cross-device sync.
This is especially valuable for users who have built large custom ringtone collections. Producers who created original 40-second compositions for ringtones may want those clips available as music for portfolio purposes or social media. Voice artists who recorded custom greetings as ringtones may need them as standard audio for email attachments or website embedding. M4A removes the artificial limitations Apple places on M4R files.
The conversion can be performed as either a container remux (copying the AAC bitstream without re-encoding) or a full transcode. A remux copies the AAC data byte-for-byte from the M4R to the M4A container, producing a bit-identical audio file in milliseconds. A full transcode decodes and re-encodes the audio, which takes longer but allows bitrate or sample rate adjustments. FFmpeg defaults to a codec copy when both source and target use AAC in MPEG-4 containers.
When performed as a remux (the default), the conversion is completely lossless — the AAC audio data is copied without any decoding or re-encoding. The output M4A file sounds exactly like the input M4R file because the audio bitstream is identical. Even with a full transcode at matching bitrate, the quality difference is imperceptible for short ringtone clips.
| Device | M4A | M4A |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Native |
| iPhone/iPad | Partial | Native |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: N/A
Bitrate: 320 kbps
OGG Vorbis preferred
Resolution: N/A
Bitrate: 256 kbps
AAC format required
Resolution: N/A
Bitrate: 128 kbps
Lossless FLAC/WAV for best quality
Resolution: N/A
Bitrate: 128 kbps
MP3 mono for spoken word
M4R to M4A is the fastest and most common conversion for freeing iPhone ringtone audio from Apple's restrictive Tones category. The output is a standard music file with full Apple ecosystem integration, identical audio quality, and virtually the same file size.
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| No |
| Tính năng | M4A | M4A |
|---|---|---|
| Tên đầy đủ | MPEG-4 Audio | MPEG-4 Audio |
| Phần mở rộng | .m4a | .m4a |
| Phù hợp nhất cho | Better than MP3 | Better than MP3 |